INDEX OF SYMBOLS
gib S greatest lower bound 4.2
I closed unit interval 5.2
inf S infimum 4.2
inf„f infimum of f on F 9.3
r
J upper index set 6.6, 6.18
K lower index set 6.18
lb S set of lower bounds 4.2
lub S least upper bound 4.2
Q rational numbers 3.2
R real numbers 3.2
S(x,6) open sphere 5.2
S (x,0) almost open sphere 5.7
sup S supremum 4.2
U a-subcontour 6.17
a
ub S set of upper bounds 4.2
X a-contour 6.2
A closure 5.2
A complement 4.2
A expansion 5.6
A interior 5.2
-F metric complement 5.2
almost greater than 3.3
0 void set 4.2
fL not an element 4.2
113
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